C permanent latin christian kingdoms in the middle east hope this helps
Since World War I was a "total" war, this meant that entire economies and industries of nations were mobilized to help the war effort--meaning that factory production turned towards things like making tanks and weapons, instead of "regular" items.
Amount of room hannah can paint in an hour = 1/20
amount of room destiny can paint in an hour = 1/16
number of hours = x
1/20x + 1/16x = 1
the reason why this formula is true is, the amount of the room painted in the end should be 1 (the whole room)
4/80x + 5/80x = 1
9/80x = 1
9x = 80
x = 80/9 hours
<span>x = 8.89 hours</span>
Answer: Historians value primary sources because they provide insight into how historical characters processed and internalized their experiences, as well as their place and significance in history. They also provide historians with a knowledge of historical figures' viewpoints.